diff --git a/doc/source/conf.py b/doc/source/conf.py
index f868a3f55..40ea8b700 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -192,4 +192,4 @@ starlingxdocs_plus_bug_project = 'starlingx'
 starlingxdocs_plus_bug_tag = 'stx.docs'
 starlingxdocs_plus_this_version = "Latest"
 # starlingxdocs_plus_other_versions = [("even later","even-later"),("sooner","sooner")]
-starlingxdocs_plus_other_versions = [("Version 6.0","r/stx.6.0"),("Version 7.0","r/stx.7.0"),("Version 8.0","r/stx.8.0")]
+starlingxdocs_plus_other_versions = [("Version 6.0","r/stx.6.0"),("Version 7.0","r/stx.7.0"),("Version 8.0","r/stx.8.0"),("Version 9.0","r/stx.9.0")]